🎯 Automating Docker Workflows with Jenkins: A Step-by-Step Guide 🚀

🚀 Task 1: Jenkins Freestyle Project for Your Dockerized App 🐳

🌟 Step 1: Set Up Jenkins Agent for Your App

1. Install Jenkins on Your Machine 🛠️:

   • Deploy Jenkins using Docker:

       docker run -d -p 8080:8080 -p 50000:50000 --name jenkins-server -v jenkins_home:/var/jenkins_home jenkins/jenkins:lts
     

   • Access Jenkins at http://localhost:8080 🌐.

2. Install the Necessary Plugins ⚡:

   • Go to Manage Jenkins > Plugin Manager.

   • Install these must-have plugins:

     • 🐳 Docker Pipeline

     • 🧰 Git

     • 🔐 SSH Agent

3. Create an Agent (a.k.a. Jenkins Node 🤖):

   • Navigate to Manage Jenkins > Manage Nodes and Clouds > New Node.

   • Configure:

     • 📂 Remote Directory

     • 🏷️ Labels for Agent Selection

     • 🔗 Launch Method (e.g., SSH).

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🎯 Step 2: Build the Freestyle Project

1. Create the Project 🛠️:

   • Go to New Item > Name it something cool like "DockerAppBuilder" > Select Freestyle Project > Click OK.

2. Connect Your Repository 🔗:

   • In the Source Code Management section:

     • Select Git.

     • Enter the URL of your app repository 📦.

3. Add Build Steps ⚙️:

   • In the Build section:

     • Step 1: Add a shell script to build your Docker image 🐳:

         docker build -t my-awesome-app-image .
       

       🛠️ This step creates your app image. Cool, right?

     • Step 2: Add another shell script to run your Docker container 🚢:

         docker run -d --name my-awesome-app-container -p 80:80 my-awesome-app-image
       

       🌐 Your app will now be live!

4. Save and Test 🏁:

   • Hit Save and then click Build Now ▶️ to see your app come to life. 🌟

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🌟 Task 2: Jenkins Project with Docker Compose Magic 🧙‍♂️

🚀 Step 1: Create the Jenkins Project

1. Create Another Project 🛠️:

   • Go to New Item > Name it "ComposeWizard" ✨ > Select Freestyle Project > Click OK.

2. Link Your Repo 🔗:

   • In the Source Code Management section:

     • Select Git and provide the repo URL with your docker-compose.yml file 🗂️.

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🎯 Step 2: Docker Compose Setup

1. Add Build Steps 🔧:

   • Step 1: Add a shell script to bring up your containers 🚢:

       docker-compose up -d
     

     ✨ This will spin up your app and database effortlessly!

   • Step 2: Add a cleanup step 🧹:

       docker-compose down
     

     🧽 Tidy up those containers when you’re done!

2. Save and Build 🚀:

   • Click Save and then Build Now ▶️ to see your multi-container setup in action!

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